scholarly journals Permanent Magnetic Polarity of Quartz

Nature ◽  
1886 ◽  
Vol 33 (854) ◽  
pp. 441-441
Author(s):  
ARTHUR SCHUSTER
Keyword(s):  
Magnetic Polarity

scholarly journals Effects of the solar wind termination shock and heliosheath on theheliospheric modulation of galactic and anomalous Helium

2004 ◽  
Vol 22 (8) ◽  
pp. 3063-3072 ◽  
Author(s):  
U. W. Langner ◽  
M. S. Potgieter
Keyword(s):  
Solar Wind ◽  
Cosmic Ray ◽  
Magnetic Polarity ◽  
Termination Shock ◽  
Shock Acceleration ◽  
Diffusive Shock Acceleration ◽  
Cosmic Ray Modulation ◽  
Low Energies ◽  
Solar Wind Termination Shock ◽  
Charge Sign

Abstract. The interest in the role of the solar wind termination shock and heliosheath in cosmic ray modulation studies has increased significantly as the Voyager 1 and 2 spacecraft approach the estimated position of the solar wind termination shock. The effect of the solar wind termination shock on charge-sign dependent modulation, as is experienced by galactic cosmic ray Helium (He++) and anomalous Helium (He+), is the main topic of this work, and is complementary to the previous work on protons, anti-protons, electrons, and positrons. The modulation of galactic and anomalous Helium is studied with a numerical model including a more fundamental and comprehensive set of diffusion coefficients, a solar wind termination shock with diffusive shock acceleration, a heliosheath and particle drifts. The model allows a comparison of modulation with and without a solar wind termination shock and is applicable to a number of cosmic ray species during both magnetic polarity cycles of the Sun. The modulation of Helium, including an anomalous component, is also done to establish charge-sign dependence at low energies. We found that the heliosheath is important for cosmic ray modulation and that its effect on modulation is very similar for protons and Helium. The local Helium interstellar spectrum may not be known at energies

Magnetic polarity stratigraphy of the Upper Siwalik deposits, Pabbi Hills, Pakistan

1977 ◽  
Vol 36 (1) ◽  
pp. 187-201 ◽  
Author(s):  
H. Michael Keller ◽  
R.A.K. Tahirkheli ◽  
Mohammad A. Mirza ◽  
Gary D. Johnson ◽  
Noye M. Johnson ◽  
...  
Keyword(s):  
Magnetic Polarity

A magnetic polarity detector

2021 ◽  
Vol 56 (6) ◽  
pp. 065009
Author(s):  
Mustafa Karadag ◽  
Pervin Ünlü Yavaş
Keyword(s):  
Magnetic Polarity

scholarly journals Reversals in the large-scale αΩ-dynamo with memory

2015 ◽  
Vol 22 (4) ◽  
pp. 361-369 ◽  
Author(s):  
L. K. Feschenko ◽  
G. M. Vodinchar
Keyword(s):  
Magnetic Field ◽  
Power Law ◽  
Geomagnetic Field ◽  
Large Scale ◽  
Magnetic Polarity ◽  
Power Law Model ◽  
The Real ◽  
Geomagnetic Polarity ◽  
With Memory ◽  
The Magnetic Field

Abstract. Inversion of the magnetic field in a model of large-scale αΩ-dynamo with α-effect with stochastic memory is under investigation. The model allows us to reproduce the main features of the geomagnetic field reversals. It was established that the polarity intervals in the model are distributed according to the power law. Model magnetic polarity timescale is fractal. Its dimension is consistent with the dimension of the real geomagnetic polarity timescale.

scholarly journals The Geochronology and Stratigraphic Evolution of Neogene Sedimentary Rocks in Jackson Hole, Wyoming

1984 ◽  
Vol 8 ◽  
pp. 33-37
Author(s):  
Douglas Burbank
Keyword(s):  
Fission Track ◽  
Sedimentary Rocks ◽  
Magnetic Polarity ◽  
Unique Sequence ◽  
Fluvial Sediments ◽  
Fission Track Dating ◽  
Hole Area ◽  
Terrestrial Sediments ◽  
Jackson Hole ◽  
Stratigraphic Evolution

The Miocene sediments of the Jackson Hole area constitute a unique sequence of terrestrial sediments. While much of the surrounding terrain was undergoing denudation during the Miocene, over 4000 m of volcaniclastic, lacustrine, and fluvial sediments accumulated in the vicinity of Jackson Hole. Recently completed paleontological and palynological studies have served to delineate complex biostratigraphic and climatic histories. The present research project has several goals. Chronologies are being developed for the Miocene sediments through the use of magnetic-polarity stratigraphies and fission-track dating. Sedimentation histories are being studied by combining lithologic data with chronologic information.

Sign in / Sign up

Export Citation Format

Share Document